Knowledgebase: Support > E-Mail
I can send mail through my mailsever from work, however I cannot do so from home. What might be the issue?
Posted by - NA - on 24 July 2009 10:04 AM
The first thing to check on your server, is that the IP/network you are connecting from is not blocked by any firewall configurations you may have. If you have verified this, then the next step would be try and connect manually to your SMTP server. This can be by bringing up a command prompt and typing the following (assuming that your servers IP is 1.2.3.4):

telnet 1.2.3.4 25

A banner should come up pretty quickly after you hit enter. If all you see is a black screen, and the connection eventually times out, you will need to contact your ISP. Many ISP's today block outgoing connections to port 25 to servers that they do not control. Verify with them if they are doing this or not. If so, many ISP's will allow you to opt out of this measures.


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